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Rifles, Reloading, Optics, Equipment
7mm STW
7mm stw with 195 Eol Berger load info.
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<blockquote data-quote="WildRose" data-source="post: 1538664" data-attributes="member: 30902"><p>No, it's not "more efficient" it's simply the law of diminishing returns. For any given bore size you simply get to a point where the return on increased case capacity dwindles.</p><p> </p><p>The case capacity of the STW is at about that point where for 7mm's any additional gain in velocity for greater capacity is minimal. For all of the fire and fury of the 7mm Rum along with the recoil and muzzle blast there is very little return in increased velocity.</p><p></p><p>With the right powder and a 26-28" barrel, the STW will run rings around the 7RM with a gain of 150-200fps.</p></blockquote><p></p>
[QUOTE="WildRose, post: 1538664, member: 30902"] No, it's not "more efficient" it's simply the law of diminishing returns. For any given bore size you simply get to a point where the return on increased case capacity dwindles. The case capacity of the STW is at about that point where for 7mm's any additional gain in velocity for greater capacity is minimal. For all of the fire and fury of the 7mm Rum along with the recoil and muzzle blast there is very little return in increased velocity. With the right powder and a 26-28" barrel, the STW will run rings around the 7RM with a gain of 150-200fps. [/QUOTE]
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Rifles, Reloading, Optics, Equipment
7mm STW
7mm stw with 195 Eol Berger load info.
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